Cross Tile Bits Glass Ceramic Concrete Hole Opener Alloy 1/4\ Hex Shank 3-12mm

Features: *100% Brand New and High Quality *Made of alloy strong toughness and wear resistance. *Cross-shaped four-knife design very sharp blades improve drilling speed. *Incision resistance are small increase the opening speed long service life. *Widened spiral groove design fast chip removal. * Can be installed in the hand drill electric drill. *Suitable for Ceramics granite tiles stone wood plastic concrete wall to drilling hole Specifications: Item Type:Cross Hex Tile Bits Material: Alloy Bit Type: Tile & Glass Drill Bit Drill diameter: 3mm/4mm / 5mm / 6mm / 8mm / 10mm / 12mm （optional） Shank diameter: 1/4inch/6.35mm (approximately) Colour:as the picture shows Package Contents: 1 x Drill Bit